K. Bhaskar, G. Nagarajan, and S. Sampath, “Experimental Investigation On Cold Start Emissions Using Electrically Heated Catalyst In A Spark Ignition Engine”, Int. J. Automot. Mech. Eng., vol. 2, pp. 105–118, Dec. 2022, doi: 10.15282/ijame.2.2010.1.0009.